How do we know the secret?
From paragraph 7-
“one top Republican donor— who was approached and described himself to the Observer as-—
disgusted that he [Ryan] is saying one thing publicly but secretly trying to garner support with all of these NeverTrump people talking about all their strategies to subvert the people who are voting for Trump and Cruz. -—
He declined to join the group and either did not know or would not reveal others who would be joining the secret meeting at the Mandarin
So we have one guy, who won’t identify himself, say that it’s so.....................